diff --git a/ghc/compiler/nativeGen/AsmCodeGen.lhs b/ghc/compiler/nativeGen/AsmCodeGen.lhs
index 4d08b4a857dbe066d3903a2e72c78b30132f6bed..a2cddd25a22863c25dda75562ed37f1bfcae9b34 100644
--- a/ghc/compiler/nativeGen/AsmCodeGen.lhs
+++ b/ghc/compiler/nativeGen/AsmCodeGen.lhs
@@ -91,9 +91,7 @@ nativeCodeGen absC us
          stixOpt        = map genericOpt stixRaw
          insns          = initUs_ us1 (codeGen stixOpt)
          debug_stix     = vcat (map pprStixTrees stixOpt)
-     in 
-         trace "nativeGen: begin"
-         (debug_stix, insns)
+     in {- trace "nativeGen: begin" -} (debug_stix, insns)
 \end{code}
 
 @codeGen@ is the top-level code-generation function: